What’s Vulnerable › Vulnerabilities

CVE-2016-9559

• Severity: medium (CVSS 6.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 3.7% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2017-03-01 · updated 2026-06-17
• Weakness: CWE-476

Description

coders/tiff.c in ImageMagick before 7.0.3.7 allows remote attackers to cause a denial of service (NULL pointer dereference and crash) via a crafted image.

Affected products

• Debian Linux: 8.0
• ImageMagick: before 6.9.6-5; from 7.0.0-0 before 7.0.3-7 — fixed in 6.9.6-5, 7.0.3-7

How to fix

Upgrade to a fixed version: ImageMagick 6.9.6-5, 7.0.3-7. Check the vendor advisory for mitigations.

References

• http://www.debian.org/security/2016/dsa-3726
• http://www.openwall.com/lists/oss-security/2016/11/19/7
• http://www.openwall.com/lists/oss-security/2016/11/23/4
• http://www.securityfocus.com/bid/94489
• https://blogs.gentoo.org/ago/2016/11/19/imagemagick-null-pointer-must-never-be-null-tiff-c/
• https://github.com/ImageMagick/ImageMagick/commit/b61d35eaccc0a7ddeff8a1c3abfcd0a43ccf210b
• https://github.com/ImageMagick/ImageMagick/issues/298
• http://www.debian.org/security/2016/dsa-3726
• http://www.openwall.com/lists/oss-security/2016/11/19/7
• http://www.openwall.com/lists/oss-security/2016/11/23/4
• http://www.securityfocus.com/bid/94489
• https://blogs.gentoo.org/ago/2016/11/19/imagemagick-null-pointer-must-never-be-null-tiff-c/

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